●Safe: Ultrasound dosage is under 50% of the standard

●Portable: light weight, handset, portable

●LCD display: Large display with blue back light

●Loudspeaker: Built-in loudspeaker & clearly

●Support 2Mhz, 2.5Mhz, 3Mhz waterproof probe

●Accurate FHR detection with clear sound

●Sensitivity: Monitor 12 weeks above unborn baby's blood wall pulsate

 ●Ultrasonic frequency: 2/2.5/3+-0.25MHz

●Ultrasonic intensity: <10mW/cm2

●Power supply: Built-in 9.6V nickel-hydrogen rechargeable battery

●Continuous working time: >6 hours

●Working temperature: 10~40

●Standard Accessories:Interchangeable Probes, FHR Display, Built-in Audio Recorder, 
Backlight, Battery Status Display, Low Battery Indication, AC Recharge